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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Brain Stimul. 2009 Oct 1;2(4):201–207. doi: 10.1016/j.brs.2009.03.005

Figure 1.

Figure 1

Finite element (FE) model of the conventional 7 × 5 cm2 rectangular-pad and 4 × 1 ring configurations. (A) Segmented compartments in the following order: Scalp, Skull, CSF and Brain. (B.1) FE model of the conventional rectangular-pad configuration and corresponding FE mesh (B.2). (C.1) FE model of the 4 × 1 ring electrode configuration and corresponding FE mesh (C.2). The two insets show the zoomed mesh images, highlighting finer detail. ‘Red’: Anode electrode; ‘Blue’: Cathode electrode(s); ‘Olive green’: sponge/gel.